return {
  background_node_range={ 0, 1 },
  desc="探查洞穴…… 一起！",
  hideminimap=false,
  id="DST_CAVE",
  location="cave",
  max_playlist_position=999,
  min_playlist_position=0,
  name="洞穴",
  numrandom_set_pieces=0,
  override_level_string=false,
  overrides={
    banana="default",
    bats="default",
    berrybush="default",
    boons="default",
    branching="default",
    bunnymen="default",
    cave_ponds="default",
    cave_spiders="default",
    cavelight="default",
    chess="default",
    disease_delay="default",
    earthquakes="default",
    fern="default",
    fissure="default",
    flint="default",
    flower_cave="default",
    grass="default",
    layout_mode="RestrictNodesByKey",
    lichen="default",
    liefs="default",
    loop="default",
    marshbush="default",
    monkey="default",
    mushroom="default",
    mushtree="default",
    prefabswaps_start="default",
    reeds="default",
    regrowth="default",
    roads="never",
    rock="default",
    rocky="default",
    sapling="default",
    season_start="default",
    slurper="default",
    slurtles="default",
    start_location="caves",
    task_set="cave_default",
    tentacles="default",
    touchstone="default",
    trees="default",
    weather="default",
    world_size="default",
    wormattacks="default",
    wormhole_prefab="tentacle_pillar",
    wormlights="default",
    worms="default" 
  },
  required_prefabs={ "multiplayer_portal" },
  substitutes={  },
  version=4 
}